From fd993f5062f9964a51b6c6f5d33b9ef3a7a48857 Mon Sep 17 00:00:00 2001
From: Tom Barbette <tom.barbette@uclouvain.be>
Date: Tue, 14 Jan 2025 18:36:11 +0100
Subject: [PATCH] Fix build with --enable-dpdk-packet

---
 include/click/fromfile.hh |  5 -----
 include/click/packet.hh   |  2 +-
 lib/fromfile.cc           | 18 +++++++-----------
 lib/packet.cc             |  9 ++++++---
 4 files changed, 14 insertions(+), 20 deletions(-)

diff --git a/include/click/fromfile.hh b/include/click/fromfile.hh
index fd4c0790a..4068fc516 100644
--- a/include/click/fromfile.hh
+++ b/include/click/fromfile.hh
@@ -53,12 +53,7 @@ class FromFile { public:
     int warning(ErrorHandler *, const char *format, ...) const;
 
   private:
-#if CLICK_PACKET_USE_DPDK
-
-    enum { BUFFER_SIZE = 2048 };
-#else
     enum { BUFFER_SIZE = 32768 };
-#endif
 
     int _fd;
     uint32_t _pos;
diff --git a/include/click/packet.hh b/include/click/packet.hh
index 898297ba1..97130af4b 100644
--- a/include/click/packet.hh
+++ b/include/click/packet.hh
@@ -81,7 +81,7 @@ class Packet { public:
 				uint32_t length, uint32_t tailroom, bool clear = true) CLICK_WARN_UNUSED_RESULT;
     static inline WritablePacket *make(const void *data, uint32_t length) CLICK_WARN_UNUSED_RESULT;
     static inline WritablePacket *make(uint32_t length) CLICK_WARN_UNUSED_RESULT;
-#if HAVE_DPDK
+#if HAVE_DPDK && !CLICK_PACKET_USE_DPDK
     static WritablePacket *make_dpdk_packet(uint32_t headroom,
 	     uint32_t length, uint32_t tailroom, bool clear) CLICK_WARN_UNUSED_RESULT;
 #endif
diff --git a/lib/fromfile.cc b/lib/fromfile.cc
index 5b75718c1..1c95e6f09 100644
--- a/lib/fromfile.cc
+++ b/lib/fromfile.cc
@@ -433,9 +433,7 @@ FromFile::set_data(const String& data, ErrorHandler* errh)
 int
 FromFile::initialize(ErrorHandler *errh, bool allow_nonexistent)
 {
-#if CLICK_PACKET_USE_DPDK
-    assert(BUFFER_SIZE <= DPDKDevice::MBUF_DATA_SIZE);
-#endif
+
     // if set_data, initialize is noop
     if (_fd == -2)
         return 0;
@@ -592,10 +590,10 @@ FromFile::get_string(size_t size, ErrorHandler *errh)
 Packet *
 FromFile::get_packet(size_t size, uint32_t sec, uint32_t subsec, ErrorHandler *errh)
 {
-#if HAVE_DPDK
+#if CLICK_PACKET_USE_DPDK
+#elif HAVE_DPDK
     if (_dpdk) {
         WritablePacket *p = Packet::make_dpdk_packet(0, size, 0, 0);
-        //click_chatter("P %p, %d %d %d %d", p, p->length(), p->buffer_length(), p->headroom(), p->tailroom());
         assert(DPDKDevice::is_dpdk_packet(p));
 	    if (read(p->data(), size, errh) < (int)size) {
 		    p->kill();
@@ -605,28 +603,26 @@ FromFile::get_packet(size_t size, uint32_t sec, uint32_t subsec, ErrorHandler *e
             return p;
 	    }
     }
-#endif
-#if CLICK_PACKET_USE_DPDK
 #else
     if (_pos + size <= _len) {
-#ifndef CLICK_NOINDIRECT
+# ifndef CLICK_NOINDIRECT
         if (Packet *p = _data_packet->clone()) {
             p->shrink_data(_buffer + _pos, size);
             p->timestamp_anno().assign(sec, subsec);
             _pos += size;
             return p;
         }
-#else
+# else
         if (Packet *p = Packet::make(_buffer + _pos, size)) {
             p->timestamp_anno().assign(sec, subsec);
             _pos += size;
             return p;
         }
-#endif
+# endif
     } else
 #endif
     {
-        if (WritablePacket *p = Packet::make(0, 0, size, 0)) {
+        if (WritablePacket *p = Packet::make(0, 0, size, 0, 0)) {
             if (read(p->data(), size, errh) < (int)size) {
                 p->kill();
                 return 0;
diff --git a/lib/packet.cc b/lib/packet.cc
index 417bdddf9..3eecb7e5e 100644
--- a/lib/packet.cc
+++ b/lib/packet.cc
@@ -838,9 +838,9 @@ void WritablePacket::pool_transfer(int from, int to) {
     (void)to;
 }
 
-#if HAVE_DPDK
+#if HAVE_DPDK && !CLICK_PACKET_USE_DPDK
 /**
- * @brief Make a Packet with a DPDK-backed buffer
+ * @brief Make a click Packet with a DPDK-backed buffer
  *
  * @param headroom
  * @param data
@@ -857,8 +857,11 @@ Packet::make_dpdk_packet(uint32_t headroom, uint32_t length, uint32_t tailroom,
         n = min_buffer_length;
     }
 
+#if HAVE_CLICK_PACKET_POOL
     WritablePacket* p = WritablePacket::pool_allocate();
-
+#else
+    WritablePacket* p = new WritablePacket;
+#endif
     unsigned char *d = 0;
 
     struct rte_mbuf *mb = DPDKDevice::get_pkt();